{"product_id":"dorman-m639013-brake-master-cylinder","title":"Dorman M639013 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder Replacement for Your Vehicle\u003c\/h2\u003e\u003cp\u003eThe Dorman M639013 brake master cylinder is engineered to restore proper brake hydraulics performance in compatible vehicles. Designed with a durable cast iron construction, this master cylinder ensures consistent braking pressure and reliable operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.938 inches for precise hydraulic control\u003c\/li\u003e\n\u003cli\u003eConstructed from cast iron for strength and durability\u003c\/li\u003e\n\u003cli\u003eIncludes two outlets with rearward outlet size M10 x 1.0 and secondary outlet thread diameter M12 x 1.0\u003c\/li\u003e\n\u003cli\u003eDoes not include reservoir or sensor, allowing compatibility with existing components\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder only, no mounting hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M639013 brake master cylinder is designed to meet or exceed OEM specifications for brake hydraulics. Its 0.938-inch bore diameter provides the correct hydraulic pressure needed for effective braking response. Manufactured from cast iron, this master cylinder offers resistance to wear and corrosion, contributing to long service life. The unit features two outlets: a rearward outlet sized M10 x 1.0 and a secondary outlet with a thread diameter of M12 x 1.0 and a 1.0 thread pitch, ensuring compatibility with specific brake line fittings. This part does not include a reservoir or sensor, making it suitable for vehicles that retain their original components. The Dorman M639013 is a direct replacement part designed for vehicles requiring this exact specification.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake pressure in vehicles experiencing soft or spongy brake pedal feel\u003c\/li\u003e\n\u003cli\u003eReplaces master cylinders with internal leaks or fluid contamination\u003c\/li\u003e\n\u003cli\u003eAddresses brake failure symptoms caused by worn or damaged master cylinders\u003c\/li\u003e\n\u003cli\u003eSuitable for vehicles requiring a 0.938-inch bore diameter master cylinder\u003c\/li\u003e\n\u003cli\u003eCompatible with brake systems using M10 x 1.0 and M12 x 1.0 outlet fittings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with your vehicle’s brake system before installation\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly after installation to remove air\u003c\/li\u003e\n\u003cli\u003eCheck existing brake lines for wear or damage and replace if necessary\u003c\/li\u003e\n\u003cli\u003eUse proper tools to avoid damaging outlet threads during installation\u003c\/li\u003e\n\u003cli\u003eVerify that the reservoir and sensor components are compatible and in good condition\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M639013 brake master cylinder to meet industry standards for durability and performance. While mounting hardware is not included, the part is designed for direct fitment and reliable operation. Please consult Dorman’s warranty policy for specific coverage details related to this brake master cylinder.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52089081299125,"sku":"BKKX-M639013","price":91.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M639013_Fro.jpg?v=1775148267","url":"https:\/\/www.partcatalog.com\/products\/dorman-m639013-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}